<!DOCTYPE html>
<html lang="zh-CN">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1">
    <title>vue2</title>
    <!-- 开发环境版本，包含了有帮助的命令行警告 -->
    <script src="https://cdn.jsdelivr.net/npm/vue@2/dist/vue.js"></script>
</head>
<body>
<div id="app">
    {{ message }}
    <br>
    {{version}}
</div>


<script>
    var app = new Vue({
        el: '#app',
        data: {
            message: 'Hello Vue!',
            version: Vue.version
        }
    })
</script>
</body>
</html>
